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TPS23753A: PoE Interface & Converter controller with built-in FET Inquiry

Grady Lee
Genius 4295 points
Part Number: TPS23753A
Other Parts Discussed in Thread: TPS23755, TPS23758

Tool/software:

Hi, TI expert

For TPS23753A, FET is an externally available device.
Is there a device that supports Vout=5Vdc with built-in FET?

Please check. Thank you.

  • +1
    TI__Mastermind 37111 points

    Hi Grady,

    TPS23755 and TPS23758 have integrated primary FET for Class 0-3 applications. They are PD + integrated PWM CTL + primary FET + error amplifier for PSR.

    TPS23755’s CP pin is designed for secondary side diode rectification. It is optimized for 12V – 24V output applications or low cost 5V applications using diode on the secondary side. Besides, TPS23755 has secondary side adapter priority, which is good for 12V – 24V adapter on the secondary side. 

    TPS23758’s CP pin is designed for secondary side sync FET. It is optimized for 5V, 3.3V output applications. Besides, TPS23758 has primary side adapter priority, which is good for 24V – 57V adapter on the primary side.  

    You can search TPS23758EVM and TPS23755EVM in TI.com as references. 

    Best regards,

    Diang